Dust collecting barrel



FIG. 1 is a perspective view of a dust collecting barrel showing my newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a top view thereof.

The environmental details shown in broken lines form no part of theclaimed design.

CLAIM The ornamental design for a dust collecting barrel, as shown anddescribed.